Three days after William "Billy" Kimmel was born, doctors found that he had a blocked valve and a hole in his heart, a condition known as tetralogy of Fallot. The newborn had to endure a three-hour open heart emergency surgery to save his life.

Thankfully, his initial treatment was successful and little Billy got the chance to go home soon after. Jimmy shared his son's story on live television to highlight the importance of universal healthcare and raise awareness for the wonderful work that doctors and nurses across the nation are doing every day.

It's been 3 months since we last heard from Jimmy about his youngest child, but the late-night host has finally shared an update during an interview with The Hollywood Reporter.

Click on the next page to read what Jimmy had to say about Billy's health.